org.eclipse.cdt.core.parser.IncludeFileContentProvider Java Examples

protected IScanner mycreateScanner(
		FileContent content, IScannerInfo scanInfo, IncludeFileContentProvider fcp, IParserLogService log) {
	/*
	 * gccのプロジェクト設定(include path,マクロ定義etc)を元に
	 * ScannerInfoを作成してProCPreprocessorに渡す
	 */
	String afile = content.getFileLocation();
	IResource res = ParserUtil.getResourceForFilename(afile);
	if (res != null) {
		scanInfo =
			LanguageSettingsScannerInfoProvider.getScannerInformation(
					res, new String[]{"org.eclipse.cdt.core.gcc"});
	}
	return new ProCPreprocessor(
			content, scanInfo, getParserLanguage(), log, getScannerExtensionConfiguration(scanInfo), fcp);
}
 

@Override
protected IASTTranslationUnit getAstForLanguage(final FileContent fc,
		final IScannerInfo si, final IncludeFileContentProvider ifcp,
		final IIndex idx, final int options, final IParserLogService log)
		throws CoreException {
	return GPPLanguage.getDefault().getASTTranslationUnit(fc, si, ifcp,
			idx, options, log);
}
 

@Override
protected IASTTranslationUnit getAstForLanguage(final FileContent fc,
		final IScannerInfo si, final IncludeFileContentProvider ifcp,
		final IIndex idx, final int options, final IParserLogService log)
		throws CoreException {
	return GCCLanguage.getDefault().getASTTranslationUnit(fc, si, ifcp,
			idx, options, log);
}
 

/**
 * Return an AST for the following CDT-compatible code;
 * 
 * @param code
 * @return
 * @throws CoreException
 */
public final IASTTranslationUnit getAST(final char[] code,
		final String baseIncludePath) throws CoreException {
	final FileContent fc = FileContent.create(baseIncludePath, code);
	final Map<String, String> macroDefinitions = Maps.newHashMap();
	final String[] includeSearchPaths = new String[0];
	final IScannerInfo si = new ScannerInfo(macroDefinitions,
			includeSearchPaths);
	final IncludeFileContentProvider ifcp = IncludeFileContentProvider
			.getEmptyFilesProvider();
	final IIndex idx = null;
	final int options = ILanguage.OPTION_IS_SOURCE_UNIT;
	final IParserLogService log = new DefaultLogService();
	return getAstForLanguage(fc, si, ifcp, idx, options, log);
}
 

@Override
protected IASTTranslationUnit getAstForLanguage(final FileContent fc,
		final IScannerInfo si, final IncludeFileContentProvider ifcp,
		final IIndex idx, final int options, final IParserLogService log)
		throws CoreException {
	return GPPLanguage.getDefault().getASTTranslationUnit(fc, si, ifcp,
			idx, options, log);
}
 

@Override
protected IASTTranslationUnit getAstForLanguage(final FileContent fc,
		final IScannerInfo si, final IncludeFileContentProvider ifcp,
		final IIndex idx, final int options, final IParserLogService log)
		throws CoreException {
	return GCCLanguage.getDefault().getASTTranslationUnit(fc, si, ifcp,
			idx, options, log);
}
 

/**
 * Return an AST for the following CDT-compatible code;
 * 
 * @param code
 * @return
 * @throws CoreException
 */
public final IASTTranslationUnit getAST(final char[] code,
		final String baseIncludePath) throws CoreException {
	final FileContent fc = FileContent.create(baseIncludePath, code);
	final Map<String, String> macroDefinitions = Maps.newHashMap();
	final String[] includeSearchPaths = new String[0];
	final IScannerInfo si = new ScannerInfo(macroDefinitions,
			includeSearchPaths);
	final IncludeFileContentProvider ifcp = IncludeFileContentProvider
			.getEmptyFilesProvider();
	final IIndex idx = null;
	final int options = ILanguage.OPTION_IS_SOURCE_UNIT;
	final IParserLogService log = new DefaultLogService();
	return getAstForLanguage(fc, si, ifcp, idx, options, log);
}
 

public ProCPreprocessor(FileContent fileContent, IScannerInfo info,
		ParserLanguage language, IParserLogService log,
		IScannerExtensionConfiguration configuration,
		IncludeFileContentProvider readerFactory) {

	super(fileContent, info, language, log, configuration, readerFactory);

	addProCHeaderReplaces();
	addProCKeywords();
}
 

@Override
public IASTTranslationUnit getASTTranslationUnit(FileContent reader, IScannerInfo scanInfo,
		IncludeFileContentProvider fileCreator, IIndex index, int options, IParserLogService log)
		throws CoreException {

	//final IScanner scanner= createScanner(reader, scanInfo, fileCreator, log);
	final IScanner scanner= mycreateScanner(reader, scanInfo, fileCreator, log);
	scanner.setComputeImageLocations((options & OPTION_NO_IMAGE_LOCATIONS) == 0);
	scanner.setProcessInactiveCode((options & OPTION_PARSE_INACTIVE_CODE) != 0);

	IParserSettings parserSettings= null;
	if (scanInfo instanceof ExtendedScannerInfo) {
		ExtendedScannerInfo extendedScannerInfo = (ExtendedScannerInfo) scanInfo;
		parserSettings = extendedScannerInfo.getParserSettings();
	}
	final ISourceCodeParser parser= createParser(scanner, log, index, false, options, parserSettings);

	// Make it possible to cancel parser by reconciler - http://bugs.eclipse.org/226682
	ICanceler canceler= null;
	if (log instanceof ICanceler) {
		canceler= (ICanceler) log;
		canceler.setCancelable(new ICancelable() {
			@Override
			public void cancel() {
				scanner.cancel();
				parser.cancel();
			}});
	}

	try {
		// Parse
		IASTTranslationUnit ast= parser.parse();
		ast.setIsHeaderUnit((options & OPTION_IS_SOURCE_UNIT) == 0);
		return ast;
	} finally {
		if (canceler != null) {
			canceler.setCancelable(null);
		}
	}
}
 

@Override
protected IASTTranslationUnit getAstForLanguage(final FileContent fc,
		final IScannerInfo si, final IncludeFileContentProvider ifcp,
		final IIndex idx, final int options, final IParserLogService log)
		throws CoreException {
	return GPPLanguage.getDefault().getASTTranslationUnit(fc, si, ifcp,
			idx, options, log);
}
 

@Override
protected IASTTranslationUnit getAstForLanguage(final FileContent fc,
		final IScannerInfo si, final IncludeFileContentProvider ifcp,
		final IIndex idx, final int options, final IParserLogService log)
		throws CoreException {
	return GCCLanguage.getDefault().getASTTranslationUnit(fc, si, ifcp,
			idx, options, log);
}
 

/**
 * Return an AST for the following CDT-compatible code;
 * 
 * @param code
 * @return
 * @throws CoreException
 */
public final IASTTranslationUnit getAST(final char[] code,
		final String baseIncludePath) throws CoreException {
	final FileContent fc = FileContent.create(baseIncludePath, code);
	final Map<String, String> macroDefinitions = Maps.newHashMap();
	final String[] includeSearchPaths = new String[0];
	final IScannerInfo si = new ScannerInfo(macroDefinitions,
			includeSearchPaths);
	final IncludeFileContentProvider ifcp = IncludeFileContentProvider
			.getEmptyFilesProvider();
	final IIndex idx = null;
	final int options = ILanguage.OPTION_IS_SOURCE_UNIT;
	final IParserLogService log = new DefaultLogService();
	return getAstForLanguage(fc, si, ifcp, idx, options, log);
}
 

/**
 * Build a scanner used for parser
 * @param file -- the scanned source file
 * @param macroMap -- the macro maps
 * @param sysIncludePath -- the included paths 
 * @param shouldScanInclusionFiles -- whether to scan the included files
 * @return the scanner
 */
public static IScanner buildScanner(String file, Map<String, String> macroMap, List<String> sysIncludePath, boolean shouldScanInclusionFiles) {
	String content = "";
	try {
		CodeReader cr = new CodeReader(file);
		content = new String(cr.buffer);
	} catch (IOException e) {
	}
	IScannerInfo scannerInfo = new ScannerInfo(macroMap, sysIncludePath.toArray(new String[] {}));
	IScannerExtensionConfiguration configuration = GPPScannerExtensionConfiguration.getInstance(scannerInfo);
	InternalFileContentProvider ifcp = new InternalFileContentProvider() {
		@Override
		public InternalFileContent getContentForInclusion(String filePath, IMacroDictionary macroDictionary) {
			InternalFileContent ifc = null;
			if (!shouldScanInclusionFiles) {
				ifc =  new InternalFileContent(filePath, InclusionKind.SKIP_FILE); 
			}else {
				ifc = FileCache.getInstance().get(filePath);
			}
			if (ifc == null) {
				ifc = (InternalFileContent) FileContent.createForExternalFileLocation(filePath);
				FileCache.getInstance().put(filePath, ifc);
			}

			return ifc;
		}

		@Override
		public InternalFileContent getContentForInclusion(IIndexFileLocation ifl, String astPath) {
			InternalFileContent c = FileCache.getInstance().get(ifl);
			if (c == null) {
				c = (InternalFileContent) FileContent.create(ifl);
				FileCache.getInstance().put(ifl, c);
			}
			return c;
		}
	};
	ParserLanguage lang = ParserLanguage.CPP;
	if (file.endsWith(".c"))
		lang = ParserLanguage.C;
	IScanner scanner = new CPreprocessor(FileContent.create(file, content.toCharArray()), scannerInfo, lang,
			new NullLogService(), configuration, IncludeFileContentProvider.getEmptyFilesProvider());
	scanner.setProcessInactiveCode(true);
	return scanner;
}
 

/**
 * To be overrided for each language.
 * 
 * @param fc
 * @param si
 * @param ifcp
 * @param idx
 * @param options
 * @param log
 * @return
 * @throws CoreException
 */
protected abstract IASTTranslationUnit getAstForLanguage(FileContent fc,
		IScannerInfo si, IncludeFileContentProvider ifcp, IIndex idx,
		int options, IParserLogService log) throws CoreException;
 

/**
 * To be overrided for each language.
 * 
 * @param fc
 * @param si
 * @param ifcp
 * @param idx
 * @param options
 * @param log
 * @return
 * @throws CoreException
 */
protected abstract IASTTranslationUnit getAstForLanguage(FileContent fc,
		IScannerInfo si, IncludeFileContentProvider ifcp, IIndex idx,
		int options, IParserLogService log) throws CoreException;
 

/**
 * To be overrided for each language.
 * 
 * @param fc
 * @param si
 * @param ifcp
 * @param idx
 * @param options
 * @param log
 * @return
 * @throws CoreException
 */
protected abstract IASTTranslationUnit getAstForLanguage(FileContent fc,
		IScannerInfo si, IncludeFileContentProvider ifcp, IIndex idx,
		int options, IParserLogService log) throws CoreException;